In the process of card game printing wholesale, we always encounter a series of printing quality problems such as different images, missing pictures and text, etc. Sometimes, we can't tell exactly where the problem is, and the printing quality is affected only by the problem in that link. Let's summarize some of the most common problems.

1: First of all, let's take a look, if there is a problem in the process of plate making before press, then we all know that even if the good material is used, the printing press is good, the level of the captain is high, and the binding is beautiful after the way can not produce qualified prints, so the prepress plate making is very important to avoid causing greater losses.

2: Scanning control of picture quality, when the general customer provides us with pictures, we must see whether the pixels of the picture can reach the printing level in the production, whether the high-quality copy of the picture, but also as much as possible to retain the original tone, level, contrast, saturation control so as to saturated color.

3: The blocking of the plate dot will cause the amount of ink transfer, the blocking ink will be uneven, and the color will be distributed differently, so it is necessary to clean with professional cleaning agents and take corresponding measures to remedy. So as not to cause damage.

4: PS plate wear If the plate wear also makes the dot smaller and the color lighter, then it will affect the amount of ink, and the hiding power of the substrate color is insufficient, then we should also stop the inspection.

5: The color of the pattern is inconsistent when we print, we often call when printing on the machine to say that it is not like the color, this reason may also be in the process of plate making, especially when the full plate is in the field, the left and right ends of the plate are inconsistent caused by a number of patterns when the layout is arranged horizontally, then we should pay attention to check the difference in the printing effect of the left and right ends of the drum.

6: reasonable layout before printing in the early printing, we can not go to the beauty to set a difficult color superposition, if you do so on the machine is sometimes difficult to control, and spot color full plate color is not easy to dry, do after the time will delay, and it is easy to dirty the print, the network setting proportion must be reasonable.

6: Printing environment factors If the room temperature of the printing workshop changes greatly, the flow state of the ink will change. General production workshop temperature, temperature control at the temperature of (23±5) degrees Celsius, humidity 60%±5%. In addition, when using ink in winter, it is necessary to preheat in advance to increase the fluidity of ink.

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